140042443020022 has 4 divisors (see below), whose sum is σ = 210063664530036. Its totient is φ = 70021221510010.

The previous prime is 140042443020017. The next prime is 140042443020023. The reversal of 140042443020022 is 220020344240041.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×140042443020022² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140042443020023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35010610755004 + ... + 35010610755007.

It is an arithmetic number, because the mean of its divisors is an integer number (52515916132509).

Almost surely, 2^{140042443020022} is an apocalyptic number.

140042443020022 is a deficient number, since it is larger than the sum of its proper divisors (70021221510014).

140042443020022 is an equidigital number, since it uses as much as digits as its factorization.

140042443020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70021221510013.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 140042443020022 its reverse (220020344240041), we get a palindrome (360062787260063).

The spelling of 140042443020022 in words is "one hundred forty trillion, forty-two billion, four hundred forty-three million, twenty thousand, twenty-two".